fabric.js/lib/jsdoc-toolkit/app/test/variable_redefine.js

/** @constructor */
function Foo() {
	var bar = 1;
	bar = 2; // redefining a private
	
	this.baz = 1;
	baz = 2; // global
	
	/** a private */
	var blap = {
		/** in here */
		tada: 1
	}
}